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61493532 = 2239915171
BaseRepresentation
bin1110101010010…
…1000100011100
311021201012021020
43222211010130
5111220243112
610034004140
71344454302
oct352450434
9137635236
1061493532
1131791001
1218716650
13c980a09
14824a272
1555ea48c
hex3aa511c

61493532 has 24 divisors (see below), whose sum is σ = 143657472. Its totient is φ = 20473200.

The previous prime is 61493503. The next prime is 61493561. The reversal of 61493532 is 23539416.

It is an interprime number because it is at equal distance from previous prime (61493503) and next prime (61493561).

It is a junction number, because it is equal to n+sod(n) for n = 61493493 and 61493502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9307 + ... + 14477.

It is an arithmetic number, because the mean of its divisors is an integer number (5985728).

Almost surely, 261493532 is an apocalyptic number.

It is an amenable number.

61493532 is an abundant number, since it is smaller than the sum of its proper divisors (82163940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61493532 is a wasteful number, since it uses less digits than its factorization.

61493532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169 (or 6167 counting only the distinct ones).

The product of its digits is 19440, while the sum is 33.

The square root of 61493532 is about 7841.7811752178. The cubic root of 61493532 is about 394.7085004175.

The spelling of 61493532 in words is "sixty-one million, four hundred ninety-three thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 991 1982 2973 3964 5171 5946 10342 11892 15513 20684 31026 62052 5124461 10248922 15373383 20497844 30746766 61493532